Shen, Yan
Xia, Jing
Li, Huihui
Xu, Yang
Xu, Sanping
Article History
Received: 14 October 2020
Accepted: 9 February 2021
First Online: 25 February 2021
Ethics approval and consent to participate
: The study was approved ruled that no formal consent was necessary by Medical Ethics Committee of Tongji Medical College, Huazhong University of Science and Technology. No administrative permission is required to access and use the medical records described in this study.
: Not applicable.
: The authors declare that they have no competing interests.